Control- and isolating transformer

STE 630/4/23

Characteristics

Benefits

 Very good switch-on behaviour thanks to reduced starting currents

 High power density due to a compact construction design

 Primary side ±5 % tappings for voltage adjustment

 Very good corrosion protection and low noise thanks to BLOCK IMPEX vacuum impregnation

 Quick to cable up thanks to the use of spring-clamp terminals

 Contact protected screw connection terminals complying with UVV BGV A3

 Simple mounting thanks to robust metal footplate with oval slots

Product Control- and isolating transformer
Order number STE 630/4/23
Power 630 VA
Input 380 V / 400 V / 420 V
Output 230 V • 2.74 Aac
Frequency range 50 Hz to 60 Hz
Short-Circuit Losses 29.61 W
No-Load Losses 17.94 W
Short-Term Power / instantaneous output 2,350 VA
Short circuit voltage uk 3.70 %
EN insulation class B (130°C)
UL Insulation class class 130
Duty Cycle 100 %
Wire material Copper
Efficiency 93 %
General
Short circuit proof not short-circuit proof
Switching group Ii0
Cooling type AN
Enviroment
Ambient temperature -20 °C to 40 °C / -4 °F to 104 °F
Max. installation height 2,000 m / 6,562 ft
Protection and safety
Protection type IP 00
Protection class (prepared) I
Overvoltage category III
Degree of contamination 1
Electrical Connections
Terminal Pri Push-in terminal
Terminal Sec Push-in terminal
Terminal PE Flat plug connection
Size and Weight
Width 150 mm / 5.91 in
Height 143 mm / 5.63 in
Depth 113 mm / 4.45 in
Weight 7.8 kg / 17.2 lbs
Low Voltage Directive EN 61558-2-2
EN 61558-2-4
Approval cURus - Recognized UL 5085-1/-2; CSA 22.2

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